Prosopis eulophi, sp. nov.—æ—Front coxæ simple; eyes long; cheeks narrow; metathorax with a distinct enclousre bordered by a raised line; dorsal segment i minutely puntured, without lateral white pubescent fasciæ; black; flagellum testaceous beneath; pale yellow marks as follows: lateral face marks about equally narrowed above and below, two lines on collar, tubercles, dot on tegulæ, bases of tibiæ, and base of hind metatarsus; wings hyaline; length 5 mm.